276 lines
10 KiB
Python
276 lines
10 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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DRAC inspection interface
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"""
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from ironic_lib import metrics_utils
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from oslo_log import log as logging
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from oslo_utils import importutils
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from oslo_utils import units
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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic.common import states
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from ironic.common import utils
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from ironic.drivers import base
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from ironic.drivers.modules.drac import common as drac_common
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from ironic.drivers.modules.redfish import inspect as redfish_inspect
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from ironic import objects
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drac_exceptions = importutils.try_import('dracclient.exceptions')
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LOG = logging.getLogger(__name__)
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METRICS = metrics_utils.get_metrics_logger(__name__)
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class DracRedfishInspect(redfish_inspect.RedfishInspect):
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"""iDRAC Redfish interface for inspection-related actions.
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Presently, this class entirely defers to its base class, a generic,
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vendor-independent Redfish interface. Future resolution of Dell EMC-
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specific incompatibilities and introduction of vendor value added
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should be implemented by this class.
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"""
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pass
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class DracWSManInspect(base.InspectInterface):
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_GPU_SUPPORTED_LIST = {"TU104GL [Tesla T4]"}
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def get_properties(self):
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"""Return the properties of the interface.
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:returns: dictionary of <property name>:<property description> entries.
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"""
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return drac_common.COMMON_PROPERTIES
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@METRICS.timer('DracInspect.validate')
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def validate(self, task):
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"""Validate the driver-specific info supplied.
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This method validates whether the 'driver_info' property of the
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supplied node contains the required information for this driver to
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manage the node.
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:param task: a TaskManager instance containing the node to act on.
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:raises: InvalidParameterValue if required driver_info attribute
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is missing or invalid on the node.
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"""
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return drac_common.parse_driver_info(task.node)
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@METRICS.timer('DracInspect.inspect_hardware')
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def inspect_hardware(self, task):
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"""Inspect hardware.
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Inspect hardware to obtain the essential & additional hardware
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properties.
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:param task: a TaskManager instance containing the node to act on.
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:raises: HardwareInspectionFailure, if unable to get essential
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hardware properties.
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:returns: states.MANAGEABLE
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"""
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node = task.node
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client = drac_common.get_drac_client(node)
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properties = {}
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try:
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properties['memory_mb'] = sum(
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[memory.size_mb for memory in client.list_memory()])
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cpus = client.list_cpus()
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if cpus:
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properties['cpus'] = sum(
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[self._calculate_cpus(cpu) for cpu in cpus])
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properties['cpu_arch'] = 'x86_64' if cpus[0].arch64 else 'x86'
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bios_settings = client.list_bios_settings()
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video_controllers = client.list_video_controllers()
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current_capabilities = node.properties.get('capabilities', '')
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new_capabilities = {
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'boot_mode': bios_settings["BootMode"].current_value.lower(),
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'pci_gpu_devices': self._calculate_gpus(video_controllers)}
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capabilties = utils.get_updated_capabilities(current_capabilities,
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new_capabilities)
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properties['capabilities'] = capabilties
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virtual_disks = client.list_virtual_disks()
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root_disk = self._guess_root_disk(virtual_disks)
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if root_disk:
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properties['local_gb'] = int(root_disk.size_mb / units.Ki)
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else:
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physical_disks = client.list_physical_disks()
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root_disk = self._guess_root_disk(physical_disks)
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if root_disk:
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properties['local_gb'] = int(
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root_disk.size_mb / units.Ki)
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except drac_exceptions.BaseClientException as exc:
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LOG.error('DRAC driver failed to introspect node '
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'%(node_uuid)s. Reason: %(error)s.',
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{'node_uuid': node.uuid, 'error': exc})
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raise exception.HardwareInspectionFailure(error=exc)
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valid_keys = self.ESSENTIAL_PROPERTIES
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missing_keys = valid_keys - set(properties)
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if missing_keys:
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error = (_('Failed to discover the following properties: '
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'%(missing_keys)s') %
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{'missing_keys': ', '.join(missing_keys)})
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raise exception.HardwareInspectionFailure(error=error)
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node.properties = dict(node.properties, **properties)
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node.save()
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try:
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nics = client.list_nics()
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except drac_exceptions.BaseClientException as exc:
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LOG.error('DRAC driver failed to introspect node '
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'%(node_uuid)s. Reason: %(error)s.',
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{'node_uuid': node.uuid, 'error': exc})
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raise exception.HardwareInspectionFailure(error=exc)
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pxe_dev_nics = self._get_pxe_dev_nics(client, nics, node)
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if pxe_dev_nics is None:
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LOG.warning('No PXE enabled NIC was found for node '
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'%(node_uuid)s.', {'node_uuid': node.uuid})
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for nic in nics:
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try:
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port = objects.Port(task.context, address=nic.mac,
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node_id=node.id,
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pxe_enabled=(nic.id in pxe_dev_nics))
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port.create()
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LOG.info('Port created with MAC address %(mac)s '
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'for node %(node_uuid)s during inspection',
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{'mac': nic.mac, 'node_uuid': node.uuid})
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except exception.MACAlreadyExists:
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LOG.warning('Failed to create a port with MAC address '
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'%(mac)s when inspecting the node '
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'%(node_uuid)s because the address is already '
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'registered',
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{'mac': nic.mac, 'node_uuid': node.uuid})
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LOG.info('Node %s successfully inspected.', node.uuid)
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return states.MANAGEABLE
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def _guess_root_disk(self, disks, min_size_required_mb=4 * units.Ki):
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"""Find a root disk.
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:param disks: list of disks.
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:param min_size_required_mb: minimum required size of the root disk in
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megabytes.
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:returns: root disk.
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"""
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disks.sort(key=lambda disk: disk.size_mb)
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for disk in disks:
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if disk.size_mb >= min_size_required_mb:
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return disk
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def _calculate_cpus(self, cpu):
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"""Find actual CPU count.
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:param cpu: Pass cpu.
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:returns: returns total cpu count.
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"""
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if cpu.ht_enabled:
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return cpu.cores * 2
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else:
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return cpu.cores
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def _calculate_gpus(self, video_controllers):
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"""Find actual GPU count.
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This method reports number of NVIDIA Tesla T4 GPU devices present
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on the server.
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:param video_controllers: list of video controllers.
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:returns: returns total gpu count.
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"""
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gpu_cnt = 0
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for video_controller in video_controllers:
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for gpu in self._GPU_SUPPORTED_LIST:
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if video_controller.description == gpu:
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gpu_cnt += 1
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return gpu_cnt
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def _get_pxe_dev_nics(self, client, nics, node):
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"""Get a list of pxe device interfaces.
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:param client: Dracclient to list the bios settings and nics
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:param nics: list of nics
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:returns: Returns list of pxe device interfaces.
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"""
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pxe_dev_nics = []
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pxe_params = ["PxeDev1EnDis", "PxeDev2EnDis",
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"PxeDev3EnDis", "PxeDev4EnDis"]
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pxe_nics = ["PxeDev1Interface", "PxeDev2Interface",
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"PxeDev3Interface", "PxeDev4Interface"]
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try:
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bios_settings = client.list_bios_settings()
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except drac_exceptions.BaseClientException as exc:
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LOG.error('DRAC driver failed to list bios settings '
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'for %(node_uuid)s. Reason: %(error)s.',
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{'node_uuid': node.uuid, 'error': exc})
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raise exception.HardwareInspectionFailure(error=exc)
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if bios_settings["BootMode"].current_value == "Uefi":
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for param, nic in zip(pxe_params, pxe_nics):
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if param in bios_settings and bios_settings[
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param].current_value == "Enabled":
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pxe_dev_nics.append(
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bios_settings[nic].current_value)
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elif bios_settings["BootMode"].current_value == "Bios":
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for nic in nics:
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try:
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nic_cap = client.list_nic_settings(nic_id=nic.id)
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except drac_exceptions.BaseClientException as exc:
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LOG.error('DRAC driver failed to list nic settings '
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'for %(node_uuid)s. Reason: %(error)s.',
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{'node_uuid': node.uuid, 'error': exc})
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raise exception.HardwareInspectionFailure(error=exc)
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if ("LegacyBootProto" in nic_cap and nic_cap[
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'LegacyBootProto'].current_value == "PXE"):
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pxe_dev_nics.append(nic.id)
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return pxe_dev_nics
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class DracInspect(DracWSManInspect):
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"""Class alias of class DracWSManInspect.
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This class provides ongoing support of the deprecated 'idrac'
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inspect interface implementation entrypoint.
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All bug fixes and new features should be implemented in its base
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class, DracWSManInspect. That makes them available to both the
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deprecated 'idrac' and new 'idrac-wsman' entrypoints. Such changes
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should not be made to this class.
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"""
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def __init__(self):
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super(DracInspect, self).__init__()
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LOG.warning("Inspect interface 'idrac' is deprecated and may be "
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"removed in a future release. Use 'idrac-wsman' instead.")
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